The Prescription of Drugs Ontology	LDbase	Source
http://purl.org/ldbase/1215	http://purl.obolibrary.org/obo/PATO_0000068	LOOM
http://purl.org/ldbase/877	http://purl.obolibrary.org/obo/OMRSE_00002069	LOOM
http://purl.org/ldbase/579	http://purl.obolibrary.org/obo/NCIT_C17049	LOOM